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Katena32 [7]
2 years ago
10

Susan and Tom want to know the combined amount of money they earned last week. They both earned $9 per hour, but Susan also earn

ed a $45 bonus. Susan added her earnings to Tom's earnings to write the expression (9S + 45) + 9T, where S is the number of hours she worked, and Tis the number of hours Tom worked. Tom added their combined hourly wages to Susan's bonus to write the expression 9(S + T) + 45. Which of the following statements is true?

Mathematics
1 answer:
Anna007 [38]2 years ago
3 0

Answer:

A - both correct

Step-by-ste

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6

Step-by-step explanation:

it has 6 sides

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How do you solve for x in the equation (2x +5)(6x - 1)=120
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Hope this helps:)
(2x+5)(6x-1) I wanted to make sure you could understand it

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Housing prices in a certain neighborhood average at $113.81 per square foot. If one house in his neighborhood is 2100 square fee
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The correct answer is A ($239,000)
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2 years ago
Find the measure of the indicated angle to the nearest degree.
Alex73 [517]

Answer:

It would be 28 degrees.

Step-by-step explanation:

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3 years ago
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REY [17]

The exponential functions change is represented by decay and the percentage rate of decrease is 1.00619%.

Step-by-step explanation:

Step 1:

To determine if the function represents growth or decay, we substitute values to x.

If the values increase with an increase of x, it represents growth.

If the values decrease with an increase of x, it represents decay.

Step 2:

If x= 10, y = 1,300 (\frac{1}{2})^{\frac{10}{69} }  =  1,300 (0.9044) = 1,175.72.

If x=11,y = 1,300 (\frac{1}{2})^{\frac{11}{69} }  =  1,300 (0.8953) = 1,163.89.

So as x increases the value of y decreases, so it represents decay.

Step 3:

The percentage rate of change is determined by dividing the difference of two consecutive values by the first value.

The percentage rate of change = \frac{y(x=11) - y(x=10)}{y(x=10)}.

Substituting the values, we get

The percentage rate of change =\frac{1,175.72-1,163.89}{1,175.72}(100) = 1.00619\%.

As the values of y decrease with an increase in x, it is the percent decrease per unit.

5 0
3 years ago
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